Perrin [02-14 WRX, 04-21 STI, 05-09 LGT] Air Oil Separator Neon Yellow w/ FMIC Performance Aero Parts Sensor-Ready: Two O₂ bungs (primary

Sensor-Ready: Two O₂ bungs (primary + auxiliary for wideband or spacer)

these coilovers allow you to fine-tune both compression and rebound through a single

K-Swap EG / EK / DC2 / EF

Mix and match

Do not use chrome-specific cleaners on PVD wheels

Perrin [02-14 WRX, 04-21 STI, 05-09 LGT] Air Oil Separator Neon Yellow w/ FMIC Performance Aero Parts Sensor-Ready: Two O₂ bungs (primaryThe AOS increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system! As blow by oil builds up inside your intercooler, the less efficient it becomes due to less heat being transferred away from your engine. This leads to power loss and detonation, which can be damaging to your engine. Reduce carbon build up in the combustion chamber, intake valves, and in your intake tract. Crank case blow by is